perihelion distance [天] 近日距 ; 近日点距离
perihelion passage 近日点通过
longitude of perihelion [天] 近日点黄经
time of perihelion passage 过近日点期 ; 近日点时间
advance of the perihelion [天] 近日点进动
advance of perihelion [天] 近日点前移
argument of perihelion [天] 近日点幅角 ; [天] 近日点角距 ; 近日点辐角
perihelion precession 近日点进动
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以上来源于: WordNet
N the point in its orbit when a planet or comet is nearest the sun 近日点 → compare aphelion
The Q is - do you mean Pluto in its aphelion or perihelion ?
我的问题是，冥王星此时是在近地点还是远地点？
This means that the Earth moves faster along the orbit in winter near perihelion.
这意味着地球在靠近冬至点附近的冬季运行得较快。
But it's not that simple either, because the dates of the perihelion and aphelion are also shifting.
但这并不是简单的一件事情，因为近日点和远日点的日期都会变换。
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